Jack Greynolds spent his life coaching high school boys basketball and never had a losing season. He led four undefeated seasons and earned the third-longest winning streak in Ohio basketball history at 51 games. He spent his first twelve years at Revere High School (1959-1969) before spending the next eighteen at Barberton. Overall, his high school teams won 549 and lost 121.

Coach Greynolds' teams won many league championships: 17 sectional tournaments, 6 district titles, 3 regional titles, 2 state runner-up titles in 1977 and 1982 and a State Championship in 1976. He was named UPI State Coach of the Year in 1976 and 1977, State AP Coach of the Year, and Prep Sport national Coach of the Year in 1977. He was selected Summit County Coach of the Year an unprecedented 5 times and named Dapper Dan Man of the Year in 1977. Greynolds has been inducted into the Barberton Sports Hall of Fame, the Summit County Sports Hall of Fame, Greater Akron Hall of Fame, the Ohio High School Athletic Association Hall of Fame and was named a Distinguished Educator of the Year at Revere High School.

Jack Greynolds was named the Greatest High School Coach in Summit County in the last 50 years by the Summit County Sports Hall of Fame Committee and a vote of the public.

Coach Greynolds passed away January 14th, 2005.